ChangeX founder and chief executive Paul O’Hara and DFJ Esprit partner Brian Caulfield.

An Irish social entrepreneur has raised €400,000 from a number of high profile investors including Ben & Jerry’s co-founder Jerry Greenfield and A(...)

Pinterest has raised a total of $764 million so far from existing investors

Pinterest, a popular photo pin-up site, is in talks to raise $500 million in a round of funding that would more than double its valuation to $11 billi(...)

 Uber may possibly end up justifying its huge valuation but the same “ubernomics” is being applied across the board, even though many start-ups will not succeed. (Photograph: Andrew Matthews/PA Wire)

The $41 billion valuation for the car-sharing service Uber may or may not be a bubblicious number, but it certainly shows that the venture capital ind(...)

Stanford mathematics graduates and Robinhood founders Vlad Tenev and Baiju Bhatt

Up to half a million people have already signed up for Robinhood’s zero-fee stock trading service, it has raised $16 million (€12.8m) in venture capit(...)

Founder and chief executve of Storyful Mark Little: “The concept of having a market for global ideas is enormous. I am backing the jockey as well as the horse here.” Photograph: Sam Boal /Photocall Ireland

Three high-profile investors, including Mark Little, the chief executive of Storyful, and two veteran Silicon Valley venture capitalists, have decide(...)

The opening day of the 2013 Web Summit in the RDS.Dublin. Photograph: Dara Mac Dónaill/The Irish Times

It started out as an informal gathering of 450 techies four years ago, but this year’s Web Summit is so big, it has its own mascot – a quirky cartoon (...)

Web pioneer Marc Andreessen said it’s the “right time” for him to step down from the Ebay board. Photograph: David Maung/Bloomberg

Web-browser pioneer Marc Andreessen resigned from the board of EBay ahead of the online marketplace’s breakup, following a verbal battle with activist(...)

Marc Andreessen, co-founder and general partner of Andreessen Horowitz. He said Silicon Valley start-ups are burning through cash at an alarmingly rapid rate. Photo: Bloomberg

Marc Andreessen said Silicon Valley start-ups are burning through cash at an alarmingly rapid rate and may be putting themselves at risk of failing w(...)

A female investor suggested to Sheri Atwood that she dye her blonde hair darker to be taken more seriously by venture capitalists. Atwood says the recommendation underscores an attitude in Silicon Valley that women make second-class entrepreneurs. Photograph: Beck Diefenbach/Reuters

When she started her child-support tracking business SupportPay, Sheri Atwood expected all kinds of suggestions – but not the tip she got from a fe(...)

Jonah Paretti, left, founder and chief executive of BuzzFeed with Ben Smith, editor in chief, at offices in New York, last week. The website BuzzFeed plans to use a new $50 million investment to, among other things, introduce new content sections, create an in-house incubator for new technology and potential acquisitions, and put far more resources toward BuzzFeed Motion Pictures. Photograph: Chang W. Lee/The New York Times

Here are three insights about BuzzFeed, the viral content startup: 1. BuzzFeed is a web traffic sensation that draws 150 million average monthly view(...)